Sophie Blee-Goldman created KAFKA-9525:
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Summary: Allow explicit rebalance triggering on the Consumer
Key: KAFKA-9525
URL: https://issues.apache.org/jira/browse/KAFKA-9525
Project: Kafka
Issue Type: Improvement
Components: clients
Reporter: Sophie Blee-Goldman
Currently the only way to explicitly trigger a rebalance is by unsubscribing
the consumer. This has two drawbacks: it does not work with static membership,
and it causes the consumer to revoke all its currently owned partitions.
Streams relies on being able to enforce a rebalance for its version probing
upgrade protocol and the upcoming KIP-441, both of which should be able to work
with static membership and be able to leverage the improvements of KIP-429 to
no longer revoke all owned partitions.
We should add an API that will allow users to explicitly trigger a rebalance
without going through #unsubscribe
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